Mercurial > hg > graal-jvmci-8
diff agent/src/os/linux/ps_core.c @ 12936:1bee3014cf2a
8025812: tmtools/jmap/heap_config tests fail on Linux-ia32 because it Cant attach to the core file
Summary: Coredump store memsz elf field rounded up to page
Reviewed-by: dholmes, sla
author | dsamersoff |
---|---|
date | Thu, 17 Oct 2013 16:08:01 +0400 |
parents | 5705c7ee6dd7 |
children |
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--- a/agent/src/os/linux/ps_core.c Wed Oct 16 15:26:12 2013 -0400 +++ b/agent/src/os/linux/ps_core.c Thu Oct 17 16:08:01 2013 +0400 @@ -719,7 +719,7 @@ ELF_PHDR* phbuf; ELF_PHDR* lib_php = NULL; - int page_size=sysconf(_SC_PAGE_SIZE); + int page_size = sysconf(_SC_PAGE_SIZE); if ((phbuf = read_program_header_table(lib_fd, lib_ehdr)) == NULL) { return false; @@ -736,26 +736,29 @@ if (existing_map == NULL){ if (add_map_info(ph, lib_fd, lib_php->p_offset, - target_vaddr, lib_php->p_filesz) == NULL) { + target_vaddr, lib_php->p_memsz) == NULL) { goto err; } } else { + // Coredump stores value of p_memsz elf field + // rounded up to page boundary. + if ((existing_map->memsz != page_size) && (existing_map->fd != lib_fd) && - (existing_map->memsz != lib_php->p_filesz)){ + (ROUNDUP(existing_map->memsz, page_size) != ROUNDUP(lib_php->p_memsz, page_size))) { - print_debug("address conflict @ 0x%lx (size = %ld, flags = %d\n)", - target_vaddr, lib_php->p_filesz, lib_php->p_flags); + print_debug("address conflict @ 0x%lx (existing map size = %ld, size = %ld, flags = %d)\n", + target_vaddr, existing_map->memsz, lib_php->p_memsz, lib_php->p_flags); goto err; } /* replace PT_LOAD segment with library segment */ print_debug("overwrote with new address mapping (memsz %ld -> %ld)\n", - existing_map->memsz, lib_php->p_filesz); + existing_map->memsz, ROUNDUP(lib_php->p_memsz, page_size)); existing_map->fd = lib_fd; existing_map->offset = lib_php->p_offset; - existing_map->memsz = lib_php->p_filesz; + existing_map->memsz = ROUNDUP(lib_php->p_memsz, page_size); } }